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中点轨迹
Author:
GeoGebra Institute of WuXi
轨迹指令的应用
GeoGebra
New Resources
兩位數除以一位數（一）
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
拼砌四邊形
三位數除以一位數（一）
Discover Resources
熊大
Angle between 2 planes
各種切圓
运动的二面角.许兴华数学
圆锥圆柱圆台的侧面展开图(及侧面上两点的最近曲线)
Discover Topics
Incircle or Inscribed Circle
Integers
Quadrilaterals
Tree Diagrams
Conic Sections